How to compile and execute a Java Program

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How to compile and execute programm in Java

Step 1:- Before we going run Java you have to know Java commands
and where do we open Java.
1. Write Java code in Notepad
Save the file as Main.java on your Desktop or In your Files
here one Important thing is we gava java file as in program
class name

2.compile your program Main.java using Command Prompt
Before compiling a program
you should know the Command Prompt commands
EX:- cd Desktop -----------------Navigate to Desktop
dir -------------------------to list the files in a folder
dir .java* ----------------It display only .java file in a folder
javac ---------------------This is used to compile a java program
eg;- javac Main.java
java -----------------------This is used to Execute a java program
eg;- java Main
Now we got command to compile lets compile
check the errors in Main program
COMPILING
javac Main.java

3.Execute your program Main.java using Command Prompt
After compile completed your program you got a .class file
Now we run .class file using command prompt
EXECUTING
java Main ------------------------to execute our Main program